Dynamic CAD objects for structural optimization in preliminary aircraft design |
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| Institution: | 1. Centre of Structure Technologies, ETH Zurich, 8092 Zurich, Switzerland;2. Airbus Germany GmbH, Mass Properties EGW, Kreetslag 10, 21129 Hamburg, Germany;1. Energy & Wetlands Research Group, Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560012, India;2. Department of Management Studies, Indian Institute of Science, Bangalore 560012, India;3. International Institute of Information Technology (IIITB), Bangalore 560100, India;4. EADS Innovation Works, Airbus Engineering Centre India, Xylem No. 4, Mahadevapura Post, Whitefield Road, Bangalore 560048, India;5. Centre for Sustainable Technologies, Indian Institute of Science, Bangalore 560012, India;6. Centre for Infrastructure, Sustainable Transportation and Urban Planning, Indian Institute of Science, Bangalore 560012, India |
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| Abstract: | Two new concepts for supporting CAD of repetitively stiffened structures are presented. The two concepts are called D-operator and K-operator, respectively. They have been developed to support preliminary aircraft design and are therefore illustrated by using typical aircraft structures. However, the methods could be applied to any repetitive CAD structure. Cooperation with the software supplier made it possible to implement the K-operator professionally. Sample structures generated with this concept will be illustrated and the results of a CAD based optimization using dynamic objects will be discussed. An outlook will give some ideas for further development and improvements of the method. |
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